Fix spelling mistakes using codespell

This commit corrects various spelling mistakes throughout the
repository. The corrections were made automatically using `codespell`[1]
tool.

[1]: https://github.com/codespell-project/codespell

Change-Id: I8751c35ad7246f73ec2e7cd4a04488c25bde3f39
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/http/http_connection.hpp b/http/http_connection.hpp
index fdbecd1..fe015f9 100644
--- a/http/http_connection.hpp
+++ b/http/http_connection.hpp
@@ -424,7 +424,7 @@
     {
         if (!parser)
         {
-            BMCWEB_LOG_CRITICAL("Paser was null");
+            BMCWEB_LOG_CRITICAL("Parser was null");
             return false;
         }
         const boost::optional<uint64_t> contentLength =
diff --git a/http/routing.hpp b/http/routing.hpp
index 4dd3132..5205a5b 100644
--- a/http/routing.hpp
+++ b/http/routing.hpp
@@ -272,7 +272,7 @@
                     continue;
                 }
 
-                BMCWEB_LOG_CRITICAL("Cant find tag for {}", urlIn);
+                BMCWEB_LOG_CRITICAL("Can't find tag for {}", urlIn);
                 return;
             }
             std::string piece(&c, 1);
diff --git a/redfish-core/lib/systems.hpp b/redfish-core/lib/systems.hpp
index 2687ecf..59621cf 100644
--- a/redfish-core/lib/systems.hpp
+++ b/redfish-core/lib/systems.hpp
@@ -3289,7 +3289,7 @@
  * @param[in]  dbusAllowedHostTran The allowed host transition on dbus
  * @param[out] allowableValues     The translated host transition(s)
  *
- * @return Emplaces correpsonding Redfish translated value(s) in
+ * @return Emplaces corresponding Redfish translated value(s) in
  * allowableValues. If translation not possible, does nothing to
  * allowableValues.
  */